Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)	3 Months Ended	12 Months Ended
	Apr. 30, 2018	Jan. 31, 2018
Allowance for doubtful accounts	$ 323,524	$ 349,058
Accumulated amortization of capitalized software development costs	18,973,594	18,658,183
Accumulated amortization of intangible assets	7,203,732	6,968,786
Deferred financing costs, accumulated amortization	$ 110,542	$ 128,275
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Number of authorized shares of common stock (in shares)	45,000,000	45,000,000
Common stock, shares issued (in shares)	20,034,446	20,005,977
Common stock, shares outstanding (in shares)	20,034,446	20,005,977
Series A Preferred Stock
Preferred stock dividend rate	0.00%	0.00%
Convertible redeemable preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Convertible redeemable preferred stock, redemption value	$ 8,849,985	$ 8,849,985
Convertible redeemable preferred stock, shares authorized (in shares)	4,000,000	4,000,000
Convertible redeemable preferred stock, shares issued (in shares)	2,895,464	2,949,995
Convertible redeemable preferred stock, shares outstanding (in shares)	2,895,464	2,949,995